#include <stdio.h>
#include <unistd.h>
#include <stdlib.h>

int main(int argc, char* argv[], char* env[])
{
  
  
  extern char** environ;
  for (int i = 0; environ[i]; i++)
  {
    printf("%s\n", environ[i]);
  }

  for (int i = 0; env[i]; i++)
  {
    printf("env[%d]->%s\n", i, env[i]);
  }
  for (int i = 0; i < argc; i++)
  {
    printf("argv[%d]->%s\n", i, argv[i]);
  }
  return 0;
}
